Heel-shank-shaping machine



March 5; 1929. L. B. POPE 1,704,445

HEEL SHANK SHAPING MACHINE Filea Dec. 192? 4 Sheets-Sheet 1' March 5,1929. I... B. POPE HEEL SHARK SHAPING MACHINE Sheets-Sheet 2 Filed Dec.7, 1927 .5] Mil/b, "W331 (lZZZi'i/qyJ March 5, 1929. L. a. POPE1,704,445

HEEL SHANK SHAPING 'IACHINB Filed Dec. v. 192'! 4 Shoots-Sheet 4Patented Mar. 5, 1929.

UNITED STATES.

nmlrmnucn POPE, 1 HAVEBHILL, MASSACHUSETTS;

nm-smx-snarme nacnmn.

Application filed December 7, 1927. serial at. 238,365.

This invention relates to machines for finishin Louis and similar heelsand partic: ularly or shaping the shank portion of such a heel, or thatportion which extends for-.

ward from the breast of the. heel toward or alon the shank of the shoe.The invention has or its eneral object to provide an improved me anismof the type described in a impending application, Serial No. 59,329,

filed September 29, 1925, for shaping this portion of a heel blank.

The more particular objects of the invention will be best understoodfrom the following description of a preferred embodiment thereofillustrated in the accompanying drawings. It will be understood,however, that the particular constructions and oper ations described andshown have been chosen for illustrative purposes merely and that theFig. 1 is a top plan view of the machine showing, partly in section; aheel blank in the work carrier prior to being turned into operativeengagement with the shaping tool;

Fig. 2 is a similar view showing the work carrier turned to bring theheel blank into operative enga ment with the tool;

Fig. 3 is e si e elevation of the work carrier, with itsmounting andassociated parts, looking in the direction of the arrow in Fig. 1; y

Fig. 4: is a vertical section taken on the line 4-4 of Fig. 3.

Fig. 5 is an end elevation looking from the right in Fig. 3 with thework carrier turned Fig. 10 is a diagrammatic view showing the operativerelation of the heel and the cutter. 4

The method and machine of theinvention are adapted for use in connectionwith heels of a wide variety of forms. A typical heel invention asdefined by the claimshereunto appended may be otherwise embodied withina position to discharge the shaped worky of the tygpe to which theinvention is ap licable is own at A in Figs? andSan iste shaped in themanner described in the above mentioned co-pending application; a r

In the machine illustratedfla shapin tool orcutter B, the novelty ofwhich will ereferred to hereinafter, is suitably mounted on the end of ashaft 15 provided with a pulley 16 by which power may be applied from ansuitable source through abelt 17. f The Sha t 15 is suitably journalledin ahead 18,011 a table 19. The heel blank A is supported in a workcarrier, hereinafter described, which is eccentrically mounted on ashaft 20, said shaft beingjournalled in suitable bearings in a mountingon the table 19 and being provided at its outer end with a crank orother suitable operatingjlnember 21 by means of which it can be turnedconveniently to swing the' heel blank A ast the tool B. The mounting forthe she t 20 comprises a support or carriage 38 adjustable in thedirection of the axis of the shaft 20 by a manually operated adjustingscrew 39 in a; guide 40 on a second carriage 41. Thecarriage 41 isadjustable in a, direction transverse to the axis of the shaft 20byamauually operated adjustingscrew 42 one guide, 43 secured to the table19 by a clamp com prising a. threaded stem 44 extending through anenlarged opening (not shown a in the table and provided on the undersideof the latter with a threaded hand operated" nut 46 (as more fullydescribed in the above mentioned co-pending application) therebyproviding a substantially universal bodil as well as an angularadjustment of the work carrying head as a whole.

In accordance with .onefeatureofthe invention the work carrier isprovided "as detachable unit mounted upon the shaft 20 and comprising ahead 50 (Figs. 4 and 6) provided with guidingsurt'aees 51 to receive apair of spaced uprights 52 extendin from a work holder 53 inangularrelation t eretoi The lower extremities ofthe uprights52 are connectedby a cross memberba in which is provided a threaded opening 55 toreceive a micrometer adjusting screw 56, the and of which is swivelledin the-head 50 but held against longitudinal movement therein. One .endof the head I50 is provided with e reduced portion 58 on which asubstantially movable clamping "tended angular free end 77.

circular template 59 is mounted and which is adapted to receive the heelseat engaging portion of the heel blank. 7 The head carrying the workholder 53 and the template 59 is mounted upon the shaft 20 and clampedbetween the collars 60 and 61 by a nut 62, rotation'thereof relative tothe shaft 20 be-. ing prevented by a key 6 3 in the shaft engaging aslot 64 in the head.

The work holder 53 is provided with a clamp by means of which the heelblank A may be detachably secured thereto, said clamp comprsing a pairof adjustable and members 66 and 07. i The clamping member 66 (Fig. 1)compris s a dog pivoted at 69 to a slide 70 laterally adjustable on theplate or work holder 53 and secured in adjusted position thereon by ascrew clamp 71 adapted to engage either of the threaded holes 72 in thework holder. The clamping member 67 pivotally mounted upon a slide 75guided in a slot- 76 in the work holder 53 and is provided with an ex-A. micrometer adjusting screw 79 is rotatably mounted in a bar 80secured to the work holder and engages a threaded opening in the slide75 v thereby enabling the slide 7 5 and clamping member 67 to beadjusted to properly position dilferent types and sizes of heel blanks.The clamping member 67 is held in engagement with the heel blank A by aspring 81 extending between the angular free end 77 and an arm 82.

The arm 82 adjustably secured to the work holder 53 by screws 8 1 in theholder passing through a slot 83 in the arm thereby enabling the tensionof the spring to be adjusted. spring 81 to close the clamp 67 is limitedby a stop 85 adjustably mounted on the work holder 58.

The movable clamp 67 is hold in opened or work receiving position whenthe work holder 53 is in work receiving position by a suitable member,such as a roller v87, mounted in a block 88 provided with a de pendingguide 89 adapted to engage the edge of an arm 90 adjustably mounted uponthe carriage 38 by screws 91 passing through slots 92 in the arm 90. Theposition of the block 88 upon the arm 90 may be adjusted by a micrometeradjusting screw 9st rotatably mounted in a bracket 95 secured to the arm90 and engaging a threaded hole in the 'lock. The block 88 may besecured in its adjusted position by a bolt 96 in the arm 90 passingtl'irough a slot 97 in the block.

A stop 98 is mounted on the arm 90 in the path of the movable clamp 67to engage the elbow 99 thereof, when the work holder has been turned andafter the heel blank has been shaped by engagement with the tool 13,

.[to open the clamp 67 against the tension of The tendency of the uponthe spring 81 a stop 100 is adjustably mounted upon the work holder 53to engage the free end 77 of the clamp 67 and limit the opening movementthereof.

As described in the above mentioned co pending application the machinemay be provided with an adjustable breast gauge 101 to square the breastof the heel with respect to the shaping tool and to iii; the position ofthe shank with reference to the template 59. As also described in thesaid co-pending application, in order to permit swinging of the workholder from the upper work receiving position shown in Figs. 1, 3 and 4;past the tool as shown in Figs. 2 and 5 without interference on the partof the gauge, the shaft 20 is provided with a cam 102 which cooperateswith a fixed cam follower 103 on the carriage 38 so that as the workholder is turned out of its work receiving position the shaft 20 willmove longitudinally toward the tool and when said work holder isreturned to said position the shaft will be moved longitudinally in theopposite direction to bring the work holder in proper position forcooperation with the gauge. In accordance with the present invention, inorder further to fix the work receiving position of the work holder theportion of the head comprising the collar 60 is provided with a shoulder105 adapted to be engaged by a sliding pin 10G guided in a suitableopening 107 in the carriage 38 and prefeably pressed outwardly by aspring 108.

In accordance with another feature of the invention an improved cutteris provided comprising a substantially cylindrical head oryblade holder110 provided with one or more slots or kerf 111, preferably extendinginto the holder 110 from the periphery thereof in a non-radial direction(as best seen in Fig. 9). A parallel slot 112 is pro vided near eachslot 111, forming a clamping portion 116 between the slots which isadapted to be forced against a blade 118 in j the slot to clamp saidblade in the head. For this latter purpose opposite sides of the slots112 are provided with complei'nentary threaded enlargements 11st toreceive wedge screws which force the clamping porates to move the blankaway from the gauge 101, and the clamp 64 is released from the roll 87and brought against the work to hold the same against the clamp 60.After the work has passed the cutter, the elbow 99 engages the stop 98to release the clamp 67 and discharge the work. The work holder is thenreturned to its original position by turning the crank 21 in the oposite ditools often caused the edge of the heel blank 3 to becomejtornat the side when the cutter leaves the work. In accordance with thepresent invention this difliculty is minimized by the provisions of theinvention whereby the cutter and the work holder are rotated in oppositedirections so as to cause the work and the working face of the cutter totravel in the same direction at their points of engagement. By suchprovisions the relative speed of travel of the cutter and work isreduced at the time the cutter leaves the work and assists in minimizingdanger of the work being torn.

lVhat I claim is:

1. In a heel shank shaping machine, in

, combination, a shaping tool, a work carrier,

and a shafton which said work carrier 1s mounted, said shaft beingrotatable to swing said work carrier pastsaid tool, said work carriercomprising a head detachably mounted on said shaft, a templatedetachably mounted on said head and having a curved periphery concentricwith said shaft, and a work holder adjustable on said head in adirection transverse to said shaft.

In a heel shank shaping machine, in combination, a shaping tool, a workcarrier, and a shaft on which said work carrier is mounted, said shaftbeing rotatable to swing said work carrier past said tool, said work'carrier comprising a head detachably mounted on said shaft, a templatedetachably mounted on said head and having a curved periphery concentricwith said shaft, guides on said head extending in a direction transverseto said shaft, :1 work holder mounted in said guides, and a micrometeradjusting screw in said holder for positioning the same as required. a

3. In a heel shank shaping machine, in combination, a shaping tool, awork holder, a shaft carrying said work holder which is rotatable toswing past said tool, a slide carried by said holder, a work engagingclamp pivotally mounted in said slide, and a micrometer adjusting screwadapted to move said slide to position said clamp as required.

4:. In a heel shank shaping machine, in combination, a sha ing tool, arotatable shaft, a mounting for said shaft, a work holder carried bysaid shaft, an adjustable slide carried by said holder, a spring pressedwork engaging clamp pivotally mounted in said slide, an adjustable armfixed relative to said mounting, a stop on said arm positioned to engageand open said clamp to discharge work, and an adjustable stop on saidholder limiting the opening movement of said clamp.

5. In a heel shank shapin machine, in con'ibination, a shapingw-too, arotatable ishaft a work holder carried by said shaft,

a slide carried bysaid holder, a worken-V gagmgclamp pivotall mountedinflsald slide, adjustable means or looking said slide in a givenposition u on said holder, and an ad ustable member or holding saidclamp open when said workholder is in ceiving position. q V a 6. In aheel shank shaping machine, in combination, a shaping tool, a Jrotatableshaft, a work carrier including a head mounted on said shaft and a workholder mounted on said head, a slide carried by said holder, a workengaging clamp pivotally mounted in said slide, adjustable means forlocking said slide in a given position upon said holder, and anadjustable member for holding said clamp open when said work holder isin work receiving position.

7. In a heel shank shaping machine, in combination, a shaping tool, arotatable shaft, a work carrier including a head mounted on said shaftand a work holder mounted onsa-id head, an adjustable slide carried bysaid holder, a work engaging clamp pivotally mounted in said slide, saidhead having a shoulder, and a fixed pin engaging said shoulder to limitmovement of the work holder into work receiving position.

8. In a heel shank sha ing machine, in combination, a rotatable s iaft,a mounting for said shaft, a work holder carried by said shaft, anadjustable slide carried by said holder, a work engaging clamp pivotallymounted in said slide and having an angular free end, an adjustable armfixed relative to said mounting and a roller carried by said arm andpositioned to engagethe angular endof said clamp to open the same whensaid holder is in work receiving position.

9. In a heel shank shaping machine, in (,OlllbllltlhlOIl, a sha ingtool, a rotatable shaft, a mounting for said shaft, a work holdercarried by said shaft, an adjustable slide carried by said holder, awork engaging clamp pivotally mounted in said slide and having anangular free end, an adjustable arm fixed relative tosaid mounting, ablock sl dably mounted on said arm, a micrometer ad usting screw forpositioning said block on said arm, and a roller mounted in said blockto engage the angular free end. of said clamp to open the same when i isin work receiving osit-ion.

10. In a heel shanr shaping machine,in combination, a shaping tool, arotatable shaft, a work holder carried by said shaft, a work engagingclamp pivotally connected to said holder and having an angular free end,an adjustable arm on said holder, :1

work resaid holder spring secured to said arm and connected a slidetarried by said holder, a pair of to the angular free end of saidclampto adjustable Work engaging clamps one of press the latter against theWork. which is pivotally mounted in said slide and 10 11. In a heelshank shaping machine, in an adjusting screw adapted to move said 5combination, a shaping tool, a Work holder, slide to position said clampas required.

a shaft carrying said Work holder which is In testimony whereof I affixmy signature.

rotatable to swing said holder past said tool, LYMAN BARUCI-I POPE.

